Matematika Sekolah Menengah Pertama Question.

77 × 7 = ?

-5 + 66 = ?

Note: Tenang, 5 Question lagi menanti..​

Question.

77 × 7 = ?

-5 + 66 = ?

Note: Tenang, 5 Question lagi menanti..​

Penjelasan dengan langkah-langkah:

-------------ll-------------ll-------------

77 × 7

= 539

————————————

-5 + 66

= 61

-------------ll-------------ll-------------

77 × 7

= 539

======

-5 + 66

= - (66 - 5)

= -51

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